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Finding the Fourth Proportional to 173,298, 239,151.88 and 93,810

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Solution

The fourth proportional to 173,298, 239,151.88 and 93,810 is: 129,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,298 : 239,151.88 = 93,810 : x
  2. Step 2: Convert to fraction form
    173,298/239,151.88 = 93,810/x
  3. Step 3: Cross multiply
    173,298x = 239,151.88 × 93,810
  4. Step 4: Simplify right side
    173,298x = 22,434,837,862.80
  5. Step 5: Solve for x
    x = 22,434,837,862.80/173,298
  6. Step 6: Final answer
    x = 129,458.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.